A washer or cone or disk shape with a centrally located hole, designed to accommodate a flat or oval head screw and provide additional bearing area on the material being fastened. It may or may not have a flush flange feature.
Classification: Washers other than lock washers, iron or steel
NSN 5950-01-395-9852
NSN 5990-01-414-7618
NSN 5925-01-563-7236
NSN 6130-01-227-4429
NSN 5975-01-485-3298
NSN 6685-00-934-8676
NSN 5965-01-373-1412
NSN 5999-00-102-9270
NSN 6110-01-156-8441
NSN 5998-00-299-7891
NSN 4140-01-487-4394
NSN 5975-01-158-1061